mirror of
https://github.com/golang/go
synced 2024-07-21 01:55:06 +00:00
4360fd8d6f
This matches longstanding compiler behavior. Also, for unused packages, report: `"pkg" imported and not used` `"pkg" imported as X and not used` This matches the other `X declared and not used` errors. For #55326. Change-Id: Ie71cf662fb5f4648449c64fc51bede298a1bdcbf Reviewed-on: https://go-review.googlesource.com/c/go/+/432557 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Robert Griesemer <gri@google.com> Auto-Submit: Robert Griesemer <gri@google.com> Run-TryBot: Robert Griesemer <gri@google.com>
26 lines
581 B
Go
26 lines
581 B
Go
// errorcheck
|
|
|
|
// Copyright 2017 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
// Issue 20185: type switching on untyped values (e.g. nil or consts)
|
|
// caused an internal compiler error.
|
|
|
|
package p
|
|
|
|
func F() {
|
|
switch t := nil.(type) { // ERROR "cannot type switch on non-interface value|not an interface"
|
|
default:
|
|
_ = t
|
|
}
|
|
}
|
|
|
|
const x = 1
|
|
|
|
func G() {
|
|
switch t := x.(type) { // ERROR "cannot type switch on non-interface value|declared and not used|not an interface"
|
|
default:
|
|
}
|
|
}
|